I just visited chess.com and I don't see any mention of lightning anywhere on their site. Did you make a mistake about a website or something?
From what I see on the QuickCoinBet.Com website is the option of betting on the result of a match played on chees.com:
![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FboDSL3i.png&t=665&c=wdkr4xjuoUCd5w)
I don't know if this was the author's intention or is there any other integration.
Overall a pretty cool website, I wonder how many users you have?